I understand what you are saying. But I think there are some aspects worth considering.
1) This is a treasure policy decrease. The 40pt suit of armor cost 140 production points. In 2.0 its only worth 100 production.
a) We are trading ritual scrolls point for point; it seems like we should at least do the same for armor.
2) There isn't infinite blacksmith resources to make the new armor. My low level character is an archer. We have 1 big blacksmith in my chapter. (My chapter runs 2 campaigns, I play a heavy armor wearer in one and an archer in the other.) I basically live event to event on the arrows I can buy. While the smith has some supply of arrows, if he has to spend the next 9 months making armor for everyone in the chapter, it will be awkward that I both can't get the suit of armor I want to wear on my main (that I've spent 2-3 levels of build in wear extra armor on) and that I can't get the arrows that lets me participate on the low level archer.
3) Unlike most other production, you can't prepare for the 2.0 change by making armor in advance. I know alchemists who have already started stocking up, so they can produce the stuff that is 2.0 only and have the staples they need. You can't make big suits of armor in advance, because they just don't exist.
Also, armor isn't like consumables. You generally have 1 suit. Especially for lower level folk, you basically live or die by your armor.